JP7300970B2 - 基板処理方法及び基板処理装置 - Google Patents
基板処理方法及び基板処理装置 Download PDFInfo
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- JP7300970B2 JP7300970B2 JP2019209033A JP2019209033A JP7300970B2 JP 7300970 B2 JP7300970 B2 JP 7300970B2 JP 2019209033 A JP2019209033 A JP 2019209033A JP 2019209033 A JP2019209033 A JP 2019209033A JP 7300970 B2 JP7300970 B2 JP 7300970B2
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Description
本実施例に係る基板処理装置101について、図1を用いて説明する。図1は、基板処理装置101の構成例を示す概略図である。基板処理装置101は、減圧状態の処理容器内でPE-ALD(Plasma Enhanced Atomic Layer Deposition)法によりSiN膜を形成する。
基板処理装置101の動作の一例について、図2を用いて説明する。図2は、本実施例に係る基板処理装置101における動作の一例を示すタイムチャートである。基板処理装置101は、下地膜が形成されたウエハWに、PE-ALDプロセスによりSiN膜を成膜する。
温度:250~600℃
圧力:0.5~10Torr
DCSガス流量:10~100cc/サイクル
NH3ガス流量:500~10000sccm
Heガス流量:100~10000sccm
Arガス流量:500~10000sccm
工程S201時間:0.05~2.0秒
工程S202時間:0.1~2.0秒
工程S203時間:0.0~2.0秒
工程S204時間:1.0~6.0秒
工程S205時間:0.0~2.0秒
工程S206時間:0.5~2.0秒
工程S207時間:1.0~6.0秒
工程S208時間:0.1~2.0秒
改質時(S204)のRFパワー:10~1000W
窒化時(S207)のRFパワー:50~1000W
W ウエハ
1 処理容器
2 載置台
3 シャワーヘッド
4 排気部
5 ガス供給機構(ガス供給源)
51a プリカーサガス供給源
52a 反応ガス供給源
53a Arガス供給源
54a Arガス供給源
55a Heガス供給源
8 RF電力供給部(高周波電力供給部)
83 高周波電源
9 制御部
Claims (8)
- シリコン含有ガスを供給して基板上に吸着層を形成する工程と、
Heを含むプラズマを生成して改質する工程と、
反応ガスのプラズマを生成して前記吸着層と反応させる工程と、をこの順で繰り返して、シリコン含有膜を形成する、基板処理方法。 - 前記吸着層を形成する工程と、前記改質する工程と、の間に、
前記シリコン含有ガスをパージする工程を含む、
請求項1に記載の基板処理方法。 - 前記改質する工程は、
Heイオン、Heラジカル、Heを含むプラズマの発光のうち、少なくとも何れか一つを前記吸着層に照射して改質する、
請求項1または請求項2に記載の基板処理方法。 - 前記改質は、
前記シリコン含有膜のエッチング耐性を向上させる、
請求項1乃至請求項3のいずれか1項に記載の基板処理方法。 - 前記シリコン含有膜は、SiN膜である、
請求項1乃至請求項4のいずれか1項に記載の基板処理方法。 - 前記シリコン含有ガスは、DCSガス、SiH4ガス、TSA(trisilylamine)ガス、ハロゲンを含むシリコン系ガス、アミノシランガスのうち、少なくとも何れか一つを含む、
請求項1乃至請求項5のいずれか1項に記載の基板処理方法。 - 前記反応ガスは、NH3ガス、N2ガス、ヒドラジン、ヒドラジン誘導体ガスのうち、少なくとも何れか一つを含む、
請求項1乃至請求項6のいずれか1項に記載の基板処理方法。 - 基板を載置する載置台を有する処理容器と、
前記処理容器にガスを供給するガス供給源と、
高周波電力を印加して前記処理容器内にプラズマを生成する高周波電力供給部と、
制御部と、を備え、
前記制御部は、
シリコン含有ガスを供給して基板上に吸着層を形成する工程と、
Heを含むプラズマを生成して改質する工程と、
反応ガスのプラズマを生成して前記吸着層と反応させる工程と、をこの順で繰り返して、シリコン含有膜を形成する、
基板処理装置。
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| KR1020227019535A KR20220100009A (ko) | 2019-11-19 | 2020-11-12 | 기판 처리 방법 및 기판 처리 장치 |
| US17/756,094 US20220403515A1 (en) | 2019-11-19 | 2020-11-12 | Substrate treatment method and substrate treatment device |
| PCT/JP2020/042215 WO2021100594A1 (ja) | 2019-11-19 | 2020-11-12 | 基板処理方法及び基板処理装置 |
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